#include "node.h"

class list{
private:
	node* pHead;
	node* pTail;
	
public:
	list() {
		pHead = NULL;
		pTail = NULL;
		
	}
	~list() {}

	void swap_data(int a, int b);
	void Insert(int _d);
	void Delete(int _d);
	void print();
	void sort();

	


};


